17996220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 60933600

約数和(自身を除く): 42937380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 61, 66, 90, 99, 110, 122, 132, 149, 165, 180, 183, 198, 220, 244, 298, 305, 330, 366, 396, 447, 495, 549, 596, 610, 660, 671, 732, 745, 894, 915, 990, 1098, 1220, 1341, 1342, 1490, 1639, 1788, 1830, 1980, 2013, 2196, 2235, 2682, 2684, 2745, 2980, 3278, 3355, 3660, 4026, 4470, 4917, 5364, 5490, 6039, 6556, 6705, 6710, 8052, 8195, 8940, 9089, 9834, 10065, 10980, 12078, 13410, 13420, 14751, 16390, 18178, 19668, 20130, 24156, 24585, 26820, 27267, 29502, 30195, 32780, 36356, 40260, 45445, 49170, 54534, 59004, 60390, 73755, 81801, 90890, 98340, 99979, 109068, 120780, 136335, 147510, 163602, 181780, 199958, 272670, 295020, 299937, 327204, 399916, 409005, 499895, 545340, 599874, 818010, 899811, 999790, 1199748, 1499685, 1636020, 1799622, 1999580, 2999370, 3599244, 4499055, 5998740, 8998110, 17996220]

約数ペア:

[(1, 17996220), (2, 8998110), (3, 5998740), (4, 4499055), (5, 3599244), (6, 2999370), (9, 1999580), (10, 1799622), (11, 1636020), (12, 1499685), (15, 1199748), (18, 999790), (20, 899811), (22, 818010), (30, 599874), (33, 545340), (36, 499895), (44, 409005), (45, 399916), (55, 327204), (60, 299937), (61, 295020), (66, 272670), (90, 199958), (99, 181780), (110, 163602), (122, 147510), (132, 136335), (149, 120780), (165, 109068), (180, 99979), (183, 98340), (198, 90890), (220, 81801), (244, 73755), (298, 60390), (305, 59004), (330, 54534), (366, 49170), (396, 45445), (447, 40260), (495, 36356), (549, 32780), (596, 30195), (610, 29502), (660, 27267), (671, 26820), (732, 24585), (745, 24156), (894, 20130), (915, 19668), (990, 18178), (1098, 16390), (1220, 14751), (1341, 13420), (1342, 13410), (1490, 12078), (1639, 10980), (1788, 10065), (1830, 9834), (1980, 9089), (2013, 8940), (2196, 8195), (2235, 8052), (2682, 6710), (2684, 6705), (2745, 6556), (2980, 6039), (3278, 5490), (3355, 5364), (3660, 4917), (4026, 4470)]