401516640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{653}}^1$

素因数の和:742

約数の個数: 288

約数和(自身を含む): 1594022976

約数和(自身を除く): 1192506336

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 61, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 122, 126, 140, 144, 160, 168, 180, 183, 210, 224, 240, 244, 252, 280, 288, 305, 315, 336, 360, 366, 420, 427, 480, 488, 504, 549, 560, 610, 630, 653, 672, 720, 732, 840, 854, 915, 976, 1008, 1098, 1120, 1220, 1260, 1281, 1306, 1440, 1464, 1680, 1708, 1830, 1952, 1959, 2016, 2135, 2196, 2440, 2520, 2562, 2612, 2745, 2928, 3265, 3360, 3416, 3660, 3843, 3918, 4270, 4392, 4571, 4880, 5040, 5124, 5224, 5490, 5856, 5877, 6405, 6530, 6832, 7320, 7686, 7836, 8540, 8784, 9142, 9760, 9795, 10080, 10248, 10448, 10980, 11754, 12810, 13060, 13664, 13713, 14640, 15372, 15672, 17080, 17568, 18284, 19215, 19590, 20496, 20896, 21960, 22855, 23508, 25620, 26120, 27426, 29280, 29385, 30744, 31344, 34160, 36568, 38430, 39180, 39833, 40992, 41139, 43920, 45710, 47016, 51240, 52240, 54852, 58770, 61488, 62688, 68320, 68565, 73136, 76860, 78360, 79666, 82278, 87840, 91420, 94032, 102480, 104480, 109704, 117540, 119499, 122976, 137130, 146272, 153720, 156720, 159332, 164556, 182840, 188064, 199165, 204960, 205695, 219408, 235080, 238998, 274260, 278831, 307440, 313440, 318664, 329112, 358497, 365680, 398330, 411390, 438816, 470160, 477996, 548520, 557662, 597495, 614880, 637328, 658224, 716994, 731360, 796660, 822780, 836493, 940320, 955992, 1097040, 1115324, 1194990, 1274656, 1316448, 1394155, 1433988, 1593320, 1645560, 1672986, 1792485, 1911984, 2194080, 2230648, 2389980, 2509479, 2788310, 2867976, 3186640, 3291120, 3345972, 3584970, 3823968, 4182465, 4461296, 4779960, 5018958, 5576620, 5735952, 6373280, 6582240, 6691944, 7169940, 8364930, 8922592, 9559920, 10037916, 11153240, 11471904, 12547395, 13383888, 14339880, 16729860, 19119840, 20075832, 22306480, 25094790, 26767776, 28679760, 33459720, 40151664, 44612960, 50189580, 57359520, 66919440, 80303328, 100379160, 133838880, 200758320, 401516640]

約数ペア:

[(1, 401516640), (2, 200758320), (3, 133838880), (4, 100379160), (5, 80303328), (6, 66919440), (7, 57359520), (8, 50189580), (9, 44612960), (10, 40151664), (12, 33459720), (14, 28679760), (15, 26767776), (16, 25094790), (18, 22306480), (20, 20075832), (21, 19119840), (24, 16729860), (28, 14339880), (30, 13383888), (32, 12547395), (35, 11471904), (36, 11153240), (40, 10037916), (42, 9559920), (45, 8922592), (48, 8364930), (56, 7169940), (60, 6691944), (61, 6582240), (63, 6373280), (70, 5735952), (72, 5576620), (80, 5018958), (84, 4779960), (90, 4461296), (96, 4182465), (105, 3823968), (112, 3584970), (120, 3345972), (122, 3291120), (126, 3186640), (140, 2867976), (144, 2788310), (160, 2509479), (168, 2389980), (180, 2230648), (183, 2194080), (210, 1911984), (224, 1792485), (240, 1672986), (244, 1645560), (252, 1593320), (280, 1433988), (288, 1394155), (305, 1316448), (315, 1274656), (336, 1194990), (360, 1115324), (366, 1097040), (420, 955992), (427, 940320), (480, 836493), (488, 822780), (504, 796660), (549, 731360), (560, 716994), (610, 658224), (630, 637328), (653, 614880), (672, 597495), (720, 557662), (732, 548520), (840, 477996), (854, 470160), (915, 438816), (976, 411390), (1008, 398330), (1098, 365680), (1120, 358497), (1220, 329112), (1260, 318664), (1281, 313440), (1306, 307440), (1440, 278831), (1464, 274260), (1680, 238998), (1708, 235080), (1830, 219408), (1952, 205695), (1959, 204960), (2016, 199165), (2135, 188064), (2196, 182840), (2440, 164556), (2520, 159332), (2562, 156720), (2612, 153720), (2745, 146272), (2928, 137130), (3265, 122976), (3360, 119499), (3416, 117540), (3660, 109704), (3843, 104480), (3918, 102480), (4270, 94032), (4392, 91420), (4571, 87840), (4880, 82278), (5040, 79666), (5124, 78360), (5224, 76860), (5490, 73136), (5856, 68565), (5877, 68320), (6405, 62688), (6530, 61488), (6832, 58770), (7320, 54852), (7686, 52240), (7836, 51240), (8540, 47016), (8784, 45710), (9142, 43920), (9760, 41139), (9795, 40992), (10080, 39833), (10248, 39180), (10448, 38430), (10980, 36568), (11754, 34160), (12810, 31344), (13060, 30744), (13664, 29385), (13713, 29280), (14640, 27426), (15372, 26120), (15672, 25620), (17080, 23508), (17568, 22855), (18284, 21960), (19215, 20896), (19590, 20496)]