281340540

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:171

約数の個数: 288

約数和(自身を含む): 981978816

約数和(自身を除く): 700638276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 61, 65, 73, 78, 81, 90, 108, 117, 122, 130, 135, 146, 156, 162, 180, 183, 195, 219, 234, 243, 244, 260, 270, 292, 305, 324, 351, 365, 366, 390, 405, 438, 468, 486, 540, 549, 585, 610, 657, 702, 730, 732, 780, 793, 810, 876, 915, 949, 972, 1053, 1095, 1098, 1170, 1215, 1220, 1314, 1404, 1460, 1586, 1620, 1647, 1755, 1830, 1898, 1971, 2106, 2190, 2196, 2340, 2379, 2430, 2628, 2745, 2847, 3159, 3172, 3285, 3294, 3510, 3660, 3796, 3942, 3965, 4212, 4380, 4453, 4745, 4758, 4860, 4941, 5265, 5490, 5694, 5913, 6318, 6570, 6588, 7020, 7137, 7884, 7930, 8235, 8541, 8906, 9490, 9516, 9855, 9882, 10530, 10980, 11388, 11826, 11895, 12636, 13140, 13359, 14235, 14274, 14823, 15795, 15860, 16470, 17082, 17739, 17812, 18980, 19710, 19764, 21060, 21411, 22265, 23652, 23790, 24705, 25623, 26718, 28470, 28548, 29565, 29646, 31590, 32940, 34164, 35478, 35685, 39420, 40077, 42705, 42822, 44530, 47580, 49410, 51246, 53436, 56940, 57889, 59130, 59292, 63180, 64233, 66795, 70956, 71370, 74115, 76869, 80154, 85410, 85644, 88695, 89060, 98820, 102492, 107055, 115778, 118260, 120231, 128115, 128466, 133590, 142740, 148230, 153738, 160308, 170820, 173667, 177390, 192699, 200385, 214110, 230607, 231556, 240462, 256230, 256932, 267180, 289445, 296460, 307476, 321165, 347334, 354780, 360693, 384345, 385398, 400770, 428220, 461214, 480924, 512460, 521001, 578890, 601155, 642330, 694668, 721386, 768690, 770796, 801540, 868335, 922428, 963495, 1042002, 1082079, 1153035, 1157780, 1202310, 1284660, 1442772, 1537380, 1563003, 1736670, 1803465, 1926990, 2084004, 2164158, 2306070, 2404620, 2605005, 3126006, 3473340, 3606930, 3853980, 4328316, 4612140, 4689009, 5210010, 5410395, 6252012, 7213860, 7815015, 9378018, 10420020, 10820790, 14067027, 15630030, 18756036, 21641580, 23445045, 28134054, 31260060, 46890090, 56268108, 70335135, 93780180, 140670270, 281340540]

約数ペア:

[(1, 281340540), (2, 140670270), (3, 93780180), (4, 70335135), (5, 56268108), (6, 46890090), (9, 31260060), (10, 28134054), (12, 23445045), (13, 21641580), (15, 18756036), (18, 15630030), (20, 14067027), (26, 10820790), (27, 10420020), (30, 9378018), (36, 7815015), (39, 7213860), (45, 6252012), (52, 5410395), (54, 5210010), (60, 4689009), (61, 4612140), (65, 4328316), (73, 3853980), (78, 3606930), (81, 3473340), (90, 3126006), (108, 2605005), (117, 2404620), (122, 2306070), (130, 2164158), (135, 2084004), (146, 1926990), (156, 1803465), (162, 1736670), (180, 1563003), (183, 1537380), (195, 1442772), (219, 1284660), (234, 1202310), (243, 1157780), (244, 1153035), (260, 1082079), (270, 1042002), (292, 963495), (305, 922428), (324, 868335), (351, 801540), (365, 770796), (366, 768690), (390, 721386), (405, 694668), (438, 642330), (468, 601155), (486, 578890), (540, 521001), (549, 512460), (585, 480924), (610, 461214), (657, 428220), (702, 400770), (730, 385398), (732, 384345), (780, 360693), (793, 354780), (810, 347334), (876, 321165), (915, 307476), (949, 296460), (972, 289445), (1053, 267180), (1095, 256932), (1098, 256230), (1170, 240462), (1215, 231556), (1220, 230607), (1314, 214110), (1404, 200385), (1460, 192699), (1586, 177390), (1620, 173667), (1647, 170820), (1755, 160308), (1830, 153738), (1898, 148230), (1971, 142740), (2106, 133590), (2190, 128466), (2196, 128115), (2340, 120231), (2379, 118260), (2430, 115778), (2628, 107055), (2745, 102492), (2847, 98820), (3159, 89060), (3172, 88695), (3285, 85644), (3294, 85410), (3510, 80154), (3660, 76869), (3796, 74115), (3942, 71370), (3965, 70956), (4212, 66795), (4380, 64233), (4453, 63180), (4745, 59292), (4758, 59130), (4860, 57889), (4941, 56940), (5265, 53436), (5490, 51246), (5694, 49410), (5913, 47580), (6318, 44530), (6570, 42822), (6588, 42705), (7020, 40077), (7137, 39420), (7884, 35685), (7930, 35478), (8235, 34164), (8541, 32940), (8906, 31590), (9490, 29646), (9516, 29565), (9855, 28548), (9882, 28470), (10530, 26718), (10980, 25623), (11388, 24705), (11826, 23790), (11895, 23652), (12636, 22265), (13140, 21411), (13359, 21060), (14235, 19764), (14274, 19710), (14823, 18980), (15795, 17812), (15860, 17739), (16470, 17082)]