72402120

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 256

約数和(自身を含む): 282124800

約数和(自身を除く): 209722680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 61, 63, 70, 72, 84, 90, 105, 108, 120, 122, 126, 135, 140, 157, 168, 180, 183, 189, 210, 216, 244, 252, 270, 280, 305, 314, 315, 360, 366, 378, 420, 427, 471, 488, 504, 540, 549, 610, 628, 630, 732, 756, 785, 840, 854, 915, 942, 945, 1080, 1098, 1099, 1220, 1256, 1260, 1281, 1413, 1464, 1512, 1570, 1647, 1708, 1830, 1884, 1890, 2135, 2196, 2198, 2355, 2440, 2520, 2562, 2745, 2826, 3140, 3294, 3297, 3416, 3660, 3768, 3780, 3843, 4239, 4270, 4392, 4396, 4710, 5124, 5490, 5495, 5652, 6280, 6405, 6588, 6594, 7065, 7320, 7560, 7686, 8235, 8478, 8540, 8792, 9420, 9577, 9891, 10248, 10980, 10990, 11304, 11529, 12810, 13176, 13188, 14130, 15372, 16470, 16485, 16956, 17080, 18840, 19154, 19215, 19782, 21195, 21960, 21980, 23058, 25620, 26376, 28260, 28731, 29673, 30744, 32940, 32970, 33912, 38308, 38430, 39564, 42390, 43960, 46116, 47885, 49455, 51240, 56520, 57462, 57645, 59346, 65880, 65940, 67039, 76616, 76860, 79128, 84780, 86193, 92232, 95770, 98910, 114924, 115290, 118692, 131880, 134078, 143655, 148365, 153720, 169560, 172386, 191540, 197820, 201117, 229848, 230580, 237384, 258579, 268156, 287310, 296730, 335195, 344772, 383080, 395640, 402234, 430965, 461160, 517158, 536312, 574620, 593460, 603351, 670390, 689544, 804468, 861930, 1005585, 1034316, 1149240, 1186920, 1206702, 1292895, 1340780, 1608936, 1723860, 1810053, 2011170, 2068632, 2413404, 2585790, 2681560, 3016755, 3447720, 3620106, 4022340, 4826808, 5171580, 6033510, 7240212, 8044680, 9050265, 10343160, 12067020, 14480424, 18100530, 24134040, 36201060, 72402120]

約数ペア:

[(1, 72402120), (2, 36201060), (3, 24134040), (4, 18100530), (5, 14480424), (6, 12067020), (7, 10343160), (8, 9050265), (9, 8044680), (10, 7240212), (12, 6033510), (14, 5171580), (15, 4826808), (18, 4022340), (20, 3620106), (21, 3447720), (24, 3016755), (27, 2681560), (28, 2585790), (30, 2413404), (35, 2068632), (36, 2011170), (40, 1810053), (42, 1723860), (45, 1608936), (54, 1340780), (56, 1292895), (60, 1206702), (61, 1186920), (63, 1149240), (70, 1034316), (72, 1005585), (84, 861930), (90, 804468), (105, 689544), (108, 670390), (120, 603351), (122, 593460), (126, 574620), (135, 536312), (140, 517158), (157, 461160), (168, 430965), (180, 402234), (183, 395640), (189, 383080), (210, 344772), (216, 335195), (244, 296730), (252, 287310), (270, 268156), (280, 258579), (305, 237384), (314, 230580), (315, 229848), (360, 201117), (366, 197820), (378, 191540), (420, 172386), (427, 169560), (471, 153720), (488, 148365), (504, 143655), (540, 134078), (549, 131880), (610, 118692), (628, 115290), (630, 114924), (732, 98910), (756, 95770), (785, 92232), (840, 86193), (854, 84780), (915, 79128), (942, 76860), (945, 76616), (1080, 67039), (1098, 65940), (1099, 65880), (1220, 59346), (1256, 57645), (1260, 57462), (1281, 56520), (1413, 51240), (1464, 49455), (1512, 47885), (1570, 46116), (1647, 43960), (1708, 42390), (1830, 39564), (1884, 38430), (1890, 38308), (2135, 33912), (2196, 32970), (2198, 32940), (2355, 30744), (2440, 29673), (2520, 28731), (2562, 28260), (2745, 26376), (2826, 25620), (3140, 23058), (3294, 21980), (3297, 21960), (3416, 21195), (3660, 19782), (3768, 19215), (3780, 19154), (3843, 18840), (4239, 17080), (4270, 16956), (4392, 16485), (4396, 16470), (4710, 15372), (5124, 14130), (5490, 13188), (5495, 13176), (5652, 12810), (6280, 11529), (6405, 11304), (6588, 10990), (6594, 10980), (7065, 10248), (7320, 9891), (7560, 9577), (7686, 9420), (8235, 8792), (8478, 8540)]