215213490

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 594604800

約数和(自身を除く): 379391310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 73, 90, 122, 135, 146, 179, 183, 219, 270, 305, 358, 365, 366, 438, 537, 549, 610, 657, 730, 895, 915, 1074, 1095, 1098, 1314, 1611, 1647, 1790, 1830, 1971, 2190, 2685, 2745, 3222, 3285, 3294, 3942, 4453, 4833, 5370, 5490, 6570, 8055, 8235, 8906, 9666, 9855, 10919, 13067, 13359, 16110, 16470, 19710, 21838, 22265, 24165, 26134, 26718, 32757, 39201, 40077, 44530, 48330, 54595, 65335, 65514, 66795, 78402, 80154, 98271, 109190, 117603, 120231, 130670, 133590, 163785, 196005, 196542, 200385, 235206, 240462, 294813, 327570, 352809, 392010, 400770, 491355, 588015, 589626, 601155, 705618, 797087, 982710, 1176030, 1202310, 1474065, 1594174, 1764045, 2391261, 2948130, 3528090, 3985435, 4782522, 7173783, 7970870, 11956305, 14347566, 21521349, 23912610, 35868915, 43042698, 71737830, 107606745, 215213490]

約数ペア:

[(1, 215213490), (2, 107606745), (3, 71737830), (5, 43042698), (6, 35868915), (9, 23912610), (10, 21521349), (15, 14347566), (18, 11956305), (27, 7970870), (30, 7173783), (45, 4782522), (54, 3985435), (61, 3528090), (73, 2948130), (90, 2391261), (122, 1764045), (135, 1594174), (146, 1474065), (179, 1202310), (183, 1176030), (219, 982710), (270, 797087), (305, 705618), (358, 601155), (365, 589626), (366, 588015), (438, 491355), (537, 400770), (549, 392010), (610, 352809), (657, 327570), (730, 294813), (895, 240462), (915, 235206), (1074, 200385), (1095, 196542), (1098, 196005), (1314, 163785), (1611, 133590), (1647, 130670), (1790, 120231), (1830, 117603), (1971, 109190), (2190, 98271), (2685, 80154), (2745, 78402), (3222, 66795), (3285, 65514), (3294, 65335), (3942, 54595), (4453, 48330), (4833, 44530), (5370, 40077), (5490, 39201), (6570, 32757), (8055, 26718), (8235, 26134), (8906, 24165), (9666, 22265), (9855, 21838), (10919, 19710), (13067, 16470), (13359, 16110)]