31820100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:270

約数の個数: 144

約数和(自身を含む): 102076800

約数和(自身を除く): 70256700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 41, 50, 52, 60, 65, 75, 78, 82, 100, 123, 130, 150, 156, 164, 195, 199, 205, 246, 260, 300, 325, 390, 398, 410, 492, 533, 597, 615, 650, 780, 796, 820, 975, 995, 1025, 1066, 1194, 1230, 1300, 1599, 1950, 1990, 2050, 2132, 2388, 2460, 2587, 2665, 2985, 3075, 3198, 3900, 3980, 4100, 4975, 5174, 5330, 5970, 6150, 6396, 7761, 7995, 8159, 9950, 10348, 10660, 11940, 12300, 12935, 13325, 14925, 15522, 15990, 16318, 19900, 24477, 25870, 26650, 29850, 31044, 31980, 32636, 38805, 39975, 40795, 48954, 51740, 53300, 59700, 64675, 77610, 79950, 81590, 97908, 106067, 122385, 129350, 155220, 159900, 163180, 194025, 203975, 212134, 244770, 258700, 318201, 388050, 407950, 424268, 489540, 530335, 611925, 636402, 776100, 815900, 1060670, 1223850, 1272804, 1591005, 2121340, 2447700, 2651675, 3182010, 5303350, 6364020, 7955025, 10606700, 15910050, 31820100]

約数ペア:

[(1, 31820100), (2, 15910050), (3, 10606700), (4, 7955025), (5, 6364020), (6, 5303350), (10, 3182010), (12, 2651675), (13, 2447700), (15, 2121340), (20, 1591005), (25, 1272804), (26, 1223850), (30, 1060670), (39, 815900), (41, 776100), (50, 636402), (52, 611925), (60, 530335), (65, 489540), (75, 424268), (78, 407950), (82, 388050), (100, 318201), (123, 258700), (130, 244770), (150, 212134), (156, 203975), (164, 194025), (195, 163180), (199, 159900), (205, 155220), (246, 129350), (260, 122385), (300, 106067), (325, 97908), (390, 81590), (398, 79950), (410, 77610), (492, 64675), (533, 59700), (597, 53300), (615, 51740), (650, 48954), (780, 40795), (796, 39975), (820, 38805), (975, 32636), (995, 31980), (1025, 31044), (1066, 29850), (1194, 26650), (1230, 25870), (1300, 24477), (1599, 19900), (1950, 16318), (1990, 15990), (2050, 15522), (2132, 14925), (2388, 13325), (2460, 12935), (2587, 12300), (2665, 11940), (2985, 10660), (3075, 10348), (3198, 9950), (3900, 8159), (3980, 7995), (4100, 7761), (4975, 6396), (5174, 6150), (5330, 5970)]