210645540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3557}}^1$

素因数の和:3626

約数の個数: 144

約数和(自身を含む): 745984512

約数和(自身を除く): 535338972

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 140, 141, 180, 188, 210, 235, 252, 282, 315, 329, 420, 423, 470, 564, 630, 658, 705, 846, 940, 987, 1260, 1316, 1410, 1645, 1692, 1974, 2115, 2820, 2961, 3290, 3557, 3948, 4230, 4935, 5922, 6580, 7114, 8460, 9870, 10671, 11844, 14228, 14805, 17785, 19740, 21342, 24899, 29610, 32013, 35570, 42684, 49798, 53355, 59220, 64026, 71140, 74697, 99596, 106710, 124495, 128052, 149394, 160065, 167179, 213420, 224091, 248990, 298788, 320130, 334358, 373485, 448182, 497980, 501537, 640260, 668716, 746970, 835895, 896364, 1003074, 1120455, 1170253, 1493940, 1504611, 1671790, 2006148, 2240910, 2340506, 2507685, 3009222, 3343580, 3510759, 4481820, 4681012, 5015370, 5851265, 6018444, 7021518, 7523055, 10030740, 10532277, 11702530, 14043036, 15046110, 17553795, 21064554, 23405060, 30092220, 35107590, 42129108, 52661385, 70215180, 105322770, 210645540]

約数ペア:

[(1, 210645540), (2, 105322770), (3, 70215180), (4, 52661385), (5, 42129108), (6, 35107590), (7, 30092220), (9, 23405060), (10, 21064554), (12, 17553795), (14, 15046110), (15, 14043036), (18, 11702530), (20, 10532277), (21, 10030740), (28, 7523055), (30, 7021518), (35, 6018444), (36, 5851265), (42, 5015370), (45, 4681012), (47, 4481820), (60, 3510759), (63, 3343580), (70, 3009222), (84, 2507685), (90, 2340506), (94, 2240910), (105, 2006148), (126, 1671790), (140, 1504611), (141, 1493940), (180, 1170253), (188, 1120455), (210, 1003074), (235, 896364), (252, 835895), (282, 746970), (315, 668716), (329, 640260), (420, 501537), (423, 497980), (470, 448182), (564, 373485), (630, 334358), (658, 320130), (705, 298788), (846, 248990), (940, 224091), (987, 213420), (1260, 167179), (1316, 160065), (1410, 149394), (1645, 128052), (1692, 124495), (1974, 106710), (2115, 99596), (2820, 74697), (2961, 71140), (3290, 64026), (3557, 59220), (3948, 53355), (4230, 49798), (4935, 42684), (5922, 35570), (6580, 32013), (7114, 29610), (8460, 24899), (9870, 21342), (10671, 19740), (11844, 17785), (14228, 14805)]