17563980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 192

約数和(自身を含む): 61931520

約数和(自身を除く): 44367540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 31, 35, 38, 42, 57, 60, 62, 70, 71, 76, 84, 93, 95, 105, 114, 124, 133, 140, 142, 155, 186, 190, 210, 213, 217, 228, 266, 284, 285, 310, 355, 372, 380, 399, 420, 426, 434, 465, 497, 532, 570, 589, 620, 651, 665, 710, 798, 852, 868, 930, 994, 1065, 1085, 1140, 1178, 1302, 1330, 1349, 1420, 1491, 1596, 1767, 1860, 1988, 1995, 2130, 2170, 2201, 2356, 2485, 2604, 2660, 2698, 2945, 2982, 3255, 3534, 3990, 4047, 4123, 4260, 4340, 4402, 4970, 5396, 5890, 5964, 6510, 6603, 6745, 7068, 7455, 7980, 8094, 8246, 8804, 8835, 9443, 9940, 11005, 11780, 12369, 13020, 13206, 13490, 14910, 15407, 16188, 16492, 17670, 18886, 20235, 20615, 22010, 24738, 26412, 26980, 28329, 29820, 30814, 33015, 35340, 37772, 40470, 41230, 41819, 44020, 46221, 47215, 49476, 56658, 61628, 61845, 66030, 77035, 80940, 82460, 83638, 92442, 94430, 113316, 123690, 125457, 132060, 141645, 154070, 167276, 184884, 188860, 209095, 231105, 247380, 250914, 283290, 292733, 308140, 418190, 462210, 501828, 566580, 585466, 627285, 836380, 878199, 924420, 1170932, 1254570, 1463665, 1756398, 2509140, 2927330, 3512796, 4390995, 5854660, 8781990, 17563980]

約数ペア:

[(1, 17563980), (2, 8781990), (3, 5854660), (4, 4390995), (5, 3512796), (6, 2927330), (7, 2509140), (10, 1756398), (12, 1463665), (14, 1254570), (15, 1170932), (19, 924420), (20, 878199), (21, 836380), (28, 627285), (30, 585466), (31, 566580), (35, 501828), (38, 462210), (42, 418190), (57, 308140), (60, 292733), (62, 283290), (70, 250914), (71, 247380), (76, 231105), (84, 209095), (93, 188860), (95, 184884), (105, 167276), (114, 154070), (124, 141645), (133, 132060), (140, 125457), (142, 123690), (155, 113316), (186, 94430), (190, 92442), (210, 83638), (213, 82460), (217, 80940), (228, 77035), (266, 66030), (284, 61845), (285, 61628), (310, 56658), (355, 49476), (372, 47215), (380, 46221), (399, 44020), (420, 41819), (426, 41230), (434, 40470), (465, 37772), (497, 35340), (532, 33015), (570, 30814), (589, 29820), (620, 28329), (651, 26980), (665, 26412), (710, 24738), (798, 22010), (852, 20615), (868, 20235), (930, 18886), (994, 17670), (1065, 16492), (1085, 16188), (1140, 15407), (1178, 14910), (1302, 13490), (1330, 13206), (1349, 13020), (1420, 12369), (1491, 11780), (1596, 11005), (1767, 9940), (1860, 9443), (1988, 8835), (1995, 8804), (2130, 8246), (2170, 8094), (2201, 7980), (2356, 7455), (2485, 7068), (2604, 6745), (2660, 6603), (2698, 6510), (2945, 5964), (2982, 5890), (3255, 5396), (3534, 4970), (3990, 4402), (4047, 4340), (4123, 4260)]