81389160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:272

約数の個数: 192

約数和(自身を含む): 283982400

約数和(自身を除く): 202593240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 73, 76, 90, 95, 114, 120, 146, 152, 163, 171, 180, 190, 219, 228, 285, 292, 326, 342, 360, 365, 380, 438, 456, 489, 570, 584, 652, 657, 684, 730, 760, 815, 855, 876, 978, 1095, 1140, 1304, 1314, 1368, 1387, 1460, 1467, 1630, 1710, 1752, 1956, 2190, 2280, 2445, 2628, 2774, 2920, 2934, 3097, 3260, 3285, 3420, 3912, 4161, 4380, 4890, 5256, 5548, 5868, 6194, 6520, 6570, 6840, 6935, 7335, 8322, 8760, 9291, 9780, 11096, 11736, 11899, 12388, 12483, 13140, 13870, 14670, 15485, 16644, 18582, 19560, 20805, 23798, 24776, 24966, 26280, 27740, 27873, 29340, 30970, 33288, 35697, 37164, 41610, 46455, 47596, 49932, 55480, 55746, 58680, 59495, 61940, 62415, 71394, 74328, 83220, 92910, 95192, 99864, 107091, 111492, 118990, 123880, 124830, 139365, 142788, 166440, 178485, 185820, 214182, 222984, 226081, 237980, 249660, 278730, 285576, 356970, 371640, 428364, 452162, 475960, 499320, 535455, 557460, 678243, 713940, 856728, 904324, 1070910, 1114920, 1130405, 1356486, 1427880, 1808648, 2034729, 2141820, 2260810, 2712972, 3391215, 4069458, 4283640, 4521620, 5425944, 6782430, 8138916, 9043240, 10173645, 13564860, 16277832, 20347290, 27129720, 40694580, 81389160]

約数ペア:

[(1, 81389160), (2, 40694580), (3, 27129720), (4, 20347290), (5, 16277832), (6, 13564860), (8, 10173645), (9, 9043240), (10, 8138916), (12, 6782430), (15, 5425944), (18, 4521620), (19, 4283640), (20, 4069458), (24, 3391215), (30, 2712972), (36, 2260810), (38, 2141820), (40, 2034729), (45, 1808648), (57, 1427880), (60, 1356486), (72, 1130405), (73, 1114920), (76, 1070910), (90, 904324), (95, 856728), (114, 713940), (120, 678243), (146, 557460), (152, 535455), (163, 499320), (171, 475960), (180, 452162), (190, 428364), (219, 371640), (228, 356970), (285, 285576), (292, 278730), (326, 249660), (342, 237980), (360, 226081), (365, 222984), (380, 214182), (438, 185820), (456, 178485), (489, 166440), (570, 142788), (584, 139365), (652, 124830), (657, 123880), (684, 118990), (730, 111492), (760, 107091), (815, 99864), (855, 95192), (876, 92910), (978, 83220), (1095, 74328), (1140, 71394), (1304, 62415), (1314, 61940), (1368, 59495), (1387, 58680), (1460, 55746), (1467, 55480), (1630, 49932), (1710, 47596), (1752, 46455), (1956, 41610), (2190, 37164), (2280, 35697), (2445, 33288), (2628, 30970), (2774, 29340), (2920, 27873), (2934, 27740), (3097, 26280), (3260, 24966), (3285, 24776), (3420, 23798), (3912, 20805), (4161, 19560), (4380, 18582), (4890, 16644), (5256, 15485), (5548, 14670), (5868, 13870), (6194, 13140), (6520, 12483), (6570, 12388), (6840, 11899), (6935, 11736), (7335, 11096), (8322, 9780), (8760, 9291)]