15728580

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:120

約数の個数: 240

約数和(自身を含む): 60170880

約数和(自身を除く): 44442300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 73, 76, 81, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 146, 162, 171, 180, 189, 190, 210, 219, 228, 252, 266, 270, 285, 292, 315, 324, 342, 365, 378, 380, 399, 405, 420, 438, 511, 513, 532, 540, 567, 570, 630, 657, 665, 684, 730, 756, 798, 810, 855, 876, 945, 1022, 1026, 1095, 1134, 1140, 1197, 1260, 1314, 1330, 1387, 1460, 1533, 1539, 1596, 1620, 1710, 1890, 1971, 1995, 2044, 2052, 2190, 2268, 2394, 2555, 2565, 2628, 2660, 2774, 2835, 3066, 3078, 3285, 3420, 3591, 3780, 3942, 3990, 4161, 4380, 4599, 4788, 5110, 5130, 5548, 5670, 5913, 5985, 6132, 6156, 6570, 6935, 7182, 7665, 7695, 7884, 7980, 8322, 9198, 9709, 9855, 10220, 10260, 10773, 11340, 11826, 11970, 12483, 13140, 13797, 13870, 14364, 15330, 15390, 16644, 17955, 18396, 19418, 19710, 20805, 21546, 22995, 23652, 23940, 24966, 27594, 27740, 29127, 29565, 30660, 30780, 35910, 37449, 38836, 39420, 41391, 41610, 43092, 45990, 48545, 49932, 53865, 55188, 58254, 59130, 62415, 68985, 71820, 74898, 82782, 83220, 87381, 91980, 97090, 107730, 112347, 116508, 118260, 124830, 137970, 145635, 149796, 165564, 174762, 187245, 194180, 206955, 215460, 224694, 249660, 262143, 275940, 291270, 349524, 374490, 413910, 436905, 449388, 524286, 561735, 582540, 748980, 786429, 827820, 873810, 1048572, 1123470, 1310715, 1572858, 1747620, 2246940, 2621430, 3145716, 3932145, 5242860, 7864290, 15728580]

約数ペア:

[(1, 15728580), (2, 7864290), (3, 5242860), (4, 3932145), (5, 3145716), (6, 2621430), (7, 2246940), (9, 1747620), (10, 1572858), (12, 1310715), (14, 1123470), (15, 1048572), (18, 873810), (19, 827820), (20, 786429), (21, 748980), (27, 582540), (28, 561735), (30, 524286), (35, 449388), (36, 436905), (38, 413910), (42, 374490), (45, 349524), (54, 291270), (57, 275940), (60, 262143), (63, 249660), (70, 224694), (73, 215460), (76, 206955), (81, 194180), (84, 187245), (90, 174762), (95, 165564), (105, 149796), (108, 145635), (114, 137970), (126, 124830), (133, 118260), (135, 116508), (140, 112347), (146, 107730), (162, 97090), (171, 91980), (180, 87381), (189, 83220), (190, 82782), (210, 74898), (219, 71820), (228, 68985), (252, 62415), (266, 59130), (270, 58254), (285, 55188), (292, 53865), (315, 49932), (324, 48545), (342, 45990), (365, 43092), (378, 41610), (380, 41391), (399, 39420), (405, 38836), (420, 37449), (438, 35910), (511, 30780), (513, 30660), (532, 29565), (540, 29127), (567, 27740), (570, 27594), (630, 24966), (657, 23940), (665, 23652), (684, 22995), (730, 21546), (756, 20805), (798, 19710), (810, 19418), (855, 18396), (876, 17955), (945, 16644), (1022, 15390), (1026, 15330), (1095, 14364), (1134, 13870), (1140, 13797), (1197, 13140), (1260, 12483), (1314, 11970), (1330, 11826), (1387, 11340), (1460, 10773), (1533, 10260), (1539, 10220), (1596, 9855), (1620, 9709), (1710, 9198), (1890, 8322), (1971, 7980), (1995, 7884), (2044, 7695), (2052, 7665), (2190, 7182), (2268, 6935), (2394, 6570), (2555, 6156), (2565, 6132), (2628, 5985), (2660, 5913), (2774, 5670), (2835, 5548), (3066, 5130), (3078, 5110), (3285, 4788), (3420, 4599), (3591, 4380), (3780, 4161), (3942, 3990)]