1221688860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{311}}^1$

素因数の和:576

約数の個数: 192

約数和(自身を含む): 4025548800

約数和(自身を除く): 2803859940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 84, 94, 105, 140, 141, 188, 199, 210, 235, 282, 311, 329, 398, 420, 470, 564, 597, 622, 658, 705, 796, 933, 940, 987, 995, 1194, 1244, 1316, 1393, 1410, 1555, 1645, 1866, 1974, 1990, 2177, 2388, 2786, 2820, 2985, 3110, 3290, 3732, 3948, 3980, 4179, 4354, 4665, 4935, 5572, 5970, 6220, 6531, 6580, 6965, 8358, 8708, 9330, 9353, 9870, 10885, 11940, 13062, 13930, 14617, 16716, 18660, 18706, 19740, 20895, 21770, 26124, 27860, 28059, 29234, 32655, 37412, 41790, 43540, 43851, 46765, 56118, 58468, 61889, 65310, 65471, 73085, 83580, 87702, 93530, 102319, 112236, 123778, 130620, 130942, 140295, 146170, 175404, 185667, 187060, 196413, 204638, 219255, 247556, 261884, 280590, 292340, 306957, 309445, 327355, 371334, 392826, 409276, 433223, 438510, 511595, 561180, 613914, 618890, 654710, 742668, 785652, 866446, 877020, 928335, 982065, 1023190, 1227828, 1237780, 1299669, 1309420, 1534785, 1732892, 1856670, 1964130, 2046380, 2166115, 2599338, 2908783, 3069570, 3713340, 3928260, 4332230, 5198676, 5817566, 6139140, 6498345, 8664460, 8726349, 11635132, 12996690, 14543915, 17452698, 20361481, 25993380, 29087830, 34905396, 40722962, 43631745, 58175660, 61084443, 81445924, 87263490, 101807405, 122168886, 174526980, 203614810, 244337772, 305422215, 407229620, 610844430, 1221688860]

約数ペア:

[(1, 1221688860), (2, 610844430), (3, 407229620), (4, 305422215), (5, 244337772), (6, 203614810), (7, 174526980), (10, 122168886), (12, 101807405), (14, 87263490), (15, 81445924), (20, 61084443), (21, 58175660), (28, 43631745), (30, 40722962), (35, 34905396), (42, 29087830), (47, 25993380), (60, 20361481), (70, 17452698), (84, 14543915), (94, 12996690), (105, 11635132), (140, 8726349), (141, 8664460), (188, 6498345), (199, 6139140), (210, 5817566), (235, 5198676), (282, 4332230), (311, 3928260), (329, 3713340), (398, 3069570), (420, 2908783), (470, 2599338), (564, 2166115), (597, 2046380), (622, 1964130), (658, 1856670), (705, 1732892), (796, 1534785), (933, 1309420), (940, 1299669), (987, 1237780), (995, 1227828), (1194, 1023190), (1244, 982065), (1316, 928335), (1393, 877020), (1410, 866446), (1555, 785652), (1645, 742668), (1866, 654710), (1974, 618890), (1990, 613914), (2177, 561180), (2388, 511595), (2786, 438510), (2820, 433223), (2985, 409276), (3110, 392826), (3290, 371334), (3732, 327355), (3948, 309445), (3980, 306957), (4179, 292340), (4354, 280590), (4665, 261884), (4935, 247556), (5572, 219255), (5970, 204638), (6220, 196413), (6531, 187060), (6580, 185667), (6965, 175404), (8358, 146170), (8708, 140295), (9330, 130942), (9353, 130620), (9870, 123778), (10885, 112236), (11940, 102319), (13062, 93530), (13930, 87702), (14617, 83580), (16716, 73085), (18660, 65471), (18706, 65310), (19740, 61889), (20895, 58468), (21770, 56118), (26124, 46765), (27860, 43851), (28059, 43540), (29234, 41790), (32655, 37412)]