25319970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:129

約数の個数: 192

約数和(自身を含む): 80196480

約数和(自身を除く): 54876510

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 19, 26, 30, 34, 38, 39, 45, 51, 57, 65, 67, 78, 85, 90, 95, 102, 114, 117, 130, 134, 153, 170, 171, 190, 195, 201, 221, 234, 247, 255, 285, 306, 323, 335, 342, 390, 402, 442, 494, 510, 570, 585, 603, 646, 663, 670, 741, 765, 855, 871, 969, 1005, 1105, 1139, 1170, 1206, 1235, 1273, 1326, 1482, 1530, 1615, 1710, 1742, 1938, 1989, 2010, 2210, 2223, 2278, 2470, 2546, 2613, 2907, 3015, 3230, 3315, 3417, 3705, 3819, 3978, 4199, 4355, 4446, 4845, 5226, 5695, 5814, 6030, 6365, 6630, 6834, 7410, 7638, 7839, 8398, 8710, 9690, 9945, 10251, 11115, 11390, 11457, 12597, 12730, 13065, 14535, 14807, 15678, 16549, 17085, 19095, 19890, 20502, 20995, 21641, 22230, 22914, 25194, 26130, 29070, 29614, 33098, 34170, 37791, 38190, 39195, 41990, 43282, 44421, 49647, 51255, 57285, 62985, 64923, 74035, 75582, 78390, 82745, 88842, 99294, 102510, 108205, 114570, 125970, 129846, 133263, 148070, 148941, 165490, 188955, 194769, 216410, 222105, 248235, 266526, 281333, 297882, 324615, 377910, 389538, 444210, 496470, 562666, 649230, 666315, 744705, 843999, 973845, 1332630, 1406665, 1489410, 1687998, 1947690, 2531997, 2813330, 4219995, 5063994, 8439990, 12659985, 25319970]

約数ペア:

[(1, 25319970), (2, 12659985), (3, 8439990), (5, 5063994), (6, 4219995), (9, 2813330), (10, 2531997), (13, 1947690), (15, 1687998), (17, 1489410), (18, 1406665), (19, 1332630), (26, 973845), (30, 843999), (34, 744705), (38, 666315), (39, 649230), (45, 562666), (51, 496470), (57, 444210), (65, 389538), (67, 377910), (78, 324615), (85, 297882), (90, 281333), (95, 266526), (102, 248235), (114, 222105), (117, 216410), (130, 194769), (134, 188955), (153, 165490), (170, 148941), (171, 148070), (190, 133263), (195, 129846), (201, 125970), (221, 114570), (234, 108205), (247, 102510), (255, 99294), (285, 88842), (306, 82745), (323, 78390), (335, 75582), (342, 74035), (390, 64923), (402, 62985), (442, 57285), (494, 51255), (510, 49647), (570, 44421), (585, 43282), (603, 41990), (646, 39195), (663, 38190), (670, 37791), (741, 34170), (765, 33098), (855, 29614), (871, 29070), (969, 26130), (1005, 25194), (1105, 22914), (1139, 22230), (1170, 21641), (1206, 20995), (1235, 20502), (1273, 19890), (1326, 19095), (1482, 17085), (1530, 16549), (1615, 15678), (1710, 14807), (1742, 14535), (1938, 13065), (1989, 12730), (2010, 12597), (2210, 11457), (2223, 11390), (2278, 11115), (2470, 10251), (2546, 9945), (2613, 9690), (2907, 8710), (3015, 8398), (3230, 7839), (3315, 7638), (3417, 7410), (3705, 6834), (3819, 6630), (3978, 6365), (4199, 6030), (4355, 5814), (4446, 5695), (4845, 5226)]