252187740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2819}}^1$

素因数の和:2912

約数の個数: 144

約数和(自身を含む): 886878720

約数和(自身を除く): 634690980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 71, 84, 90, 105, 126, 140, 142, 180, 210, 213, 252, 284, 315, 355, 420, 426, 497, 630, 639, 710, 852, 994, 1065, 1260, 1278, 1420, 1491, 1988, 2130, 2485, 2556, 2819, 2982, 3195, 4260, 4473, 4970, 5638, 5964, 6390, 7455, 8457, 8946, 9940, 11276, 12780, 14095, 14910, 16914, 17892, 19733, 22365, 25371, 28190, 29820, 33828, 39466, 42285, 44730, 50742, 56380, 59199, 78932, 84570, 89460, 98665, 101484, 118398, 126855, 169140, 177597, 197330, 200149, 236796, 253710, 295995, 355194, 394660, 400298, 507420, 591990, 600447, 710388, 800596, 887985, 1000745, 1183980, 1200894, 1401043, 1775970, 1801341, 2001490, 2401788, 2802086, 3002235, 3551940, 3602682, 4002980, 4203129, 5604172, 6004470, 7005215, 7205364, 8406258, 9006705, 12008940, 12609387, 14010430, 16812516, 18013410, 21015645, 25218774, 28020860, 36026820, 42031290, 50437548, 63046935, 84062580, 126093870, 252187740]

約数ペア:

[(1, 252187740), (2, 126093870), (3, 84062580), (4, 63046935), (5, 50437548), (6, 42031290), (7, 36026820), (9, 28020860), (10, 25218774), (12, 21015645), (14, 18013410), (15, 16812516), (18, 14010430), (20, 12609387), (21, 12008940), (28, 9006705), (30, 8406258), (35, 7205364), (36, 7005215), (42, 6004470), (45, 5604172), (60, 4203129), (63, 4002980), (70, 3602682), (71, 3551940), (84, 3002235), (90, 2802086), (105, 2401788), (126, 2001490), (140, 1801341), (142, 1775970), (180, 1401043), (210, 1200894), (213, 1183980), (252, 1000745), (284, 887985), (315, 800596), (355, 710388), (420, 600447), (426, 591990), (497, 507420), (630, 400298), (639, 394660), (710, 355194), (852, 295995), (994, 253710), (1065, 236796), (1260, 200149), (1278, 197330), (1420, 177597), (1491, 169140), (1988, 126855), (2130, 118398), (2485, 101484), (2556, 98665), (2819, 89460), (2982, 84570), (3195, 78932), (4260, 59199), (4473, 56380), (4970, 50742), (5638, 44730), (5964, 42285), (6390, 39466), (7455, 33828), (8457, 29820), (8946, 28190), (9940, 25371), (11276, 22365), (12780, 19733), (14095, 17892), (14910, 16914)]