1603980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:108

約数の個数: 144

約数和(自身を含む): 5940480

約数和(自身を除く): 4336500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 67, 70, 76, 84, 90, 95, 105, 114, 126, 133, 134, 140, 171, 180, 190, 201, 210, 228, 252, 266, 268, 285, 315, 335, 342, 380, 399, 402, 420, 469, 532, 570, 603, 630, 665, 670, 684, 798, 804, 855, 938, 1005, 1140, 1197, 1206, 1260, 1273, 1330, 1340, 1407, 1596, 1710, 1876, 1995, 2010, 2345, 2394, 2412, 2546, 2660, 2814, 3015, 3420, 3819, 3990, 4020, 4221, 4690, 4788, 5092, 5628, 5985, 6030, 6365, 7035, 7638, 7980, 8442, 8911, 9380, 11457, 11970, 12060, 12730, 14070, 15276, 16884, 17822, 19095, 21105, 22914, 23940, 25460, 26733, 28140, 35644, 38190, 42210, 44555, 45828, 53466, 57285, 76380, 80199, 84420, 89110, 106932, 114570, 133665, 160398, 178220, 229140, 267330, 320796, 400995, 534660, 801990, 1603980]

約数ペア:

[(1, 1603980), (2, 801990), (3, 534660), (4, 400995), (5, 320796), (6, 267330), (7, 229140), (9, 178220), (10, 160398), (12, 133665), (14, 114570), (15, 106932), (18, 89110), (19, 84420), (20, 80199), (21, 76380), (28, 57285), (30, 53466), (35, 45828), (36, 44555), (38, 42210), (42, 38190), (45, 35644), (57, 28140), (60, 26733), (63, 25460), (67, 23940), (70, 22914), (76, 21105), (84, 19095), (90, 17822), (95, 16884), (105, 15276), (114, 14070), (126, 12730), (133, 12060), (134, 11970), (140, 11457), (171, 9380), (180, 8911), (190, 8442), (201, 7980), (210, 7638), (228, 7035), (252, 6365), (266, 6030), (268, 5985), (285, 5628), (315, 5092), (335, 4788), (342, 4690), (380, 4221), (399, 4020), (402, 3990), (420, 3819), (469, 3420), (532, 3015), (570, 2814), (603, 2660), (630, 2546), (665, 2412), (670, 2394), (684, 2345), (798, 2010), (804, 1995), (855, 1876), (938, 1710), (1005, 1596), (1140, 1407), (1197, 1340), (1206, 1330), (1260, 1273)]