280843560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2161}}^1$

素因数の和:2216

約数の個数: 144

約数和(自身を含む): 963754740

約数和(自身を除く): 682911180

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, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 361, 380, 456, 570, 684, 722, 760, 855, 1083, 1140, 1368, 1444, 1710, 1805, 2161, 2166, 2280, 2888, 3249, 3420, 3610, 4322, 4332, 5415, 6483, 6498, 6840, 7220, 8644, 8664, 10805, 10830, 12966, 12996, 14440, 16245, 17288, 19449, 21610, 21660, 25932, 25992, 32415, 32490, 38898, 41059, 43220, 43320, 51864, 64830, 64980, 77796, 82118, 86440, 97245, 123177, 129660, 129960, 155592, 164236, 194490, 205295, 246354, 259320, 328472, 369531, 388980, 410590, 492708, 615885, 739062, 777960, 780121, 821180, 985416, 1231770, 1478124, 1560242, 1642360, 1847655, 2340363, 2463540, 2956248, 3120484, 3695310, 3900605, 4680726, 4927080, 6240968, 7021089, 7390620, 7801210, 9361452, 11701815, 14042178, 14781240, 15602420, 18722904, 23403630, 28084356, 31204840, 35105445, 46807260, 56168712, 70210890, 93614520, 140421780, 280843560]

約数ペア:

[(1, 280843560), (2, 140421780), (3, 93614520), (4, 70210890), (5, 56168712), (6, 46807260), (8, 35105445), (9, 31204840), (10, 28084356), (12, 23403630), (15, 18722904), (18, 15602420), (19, 14781240), (20, 14042178), (24, 11701815), (30, 9361452), (36, 7801210), (38, 7390620), (40, 7021089), (45, 6240968), (57, 4927080), (60, 4680726), (72, 3900605), (76, 3695310), (90, 3120484), (95, 2956248), (114, 2463540), (120, 2340363), (152, 1847655), (171, 1642360), (180, 1560242), (190, 1478124), (228, 1231770), (285, 985416), (342, 821180), (360, 780121), (361, 777960), (380, 739062), (456, 615885), (570, 492708), (684, 410590), (722, 388980), (760, 369531), (855, 328472), (1083, 259320), (1140, 246354), (1368, 205295), (1444, 194490), (1710, 164236), (1805, 155592), (2161, 129960), (2166, 129660), (2280, 123177), (2888, 97245), (3249, 86440), (3420, 82118), (3610, 77796), (4322, 64980), (4332, 64830), (5415, 51864), (6483, 43320), (6498, 43220), (6840, 41059), (7220, 38898), (8644, 32490), (8664, 32415), (10805, 25992), (10830, 25932), (12966, 21660), (12996, 21610), (14440, 19449), (16245, 17288)]