2191140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:106

約数の個数: 144

約数和(自身を含む): 7967232

約数和(自身を除く): 5776092

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 47, 60, 63, 70, 74, 84, 90, 94, 105, 111, 126, 140, 141, 148, 180, 185, 188, 210, 222, 235, 252, 259, 282, 315, 329, 333, 370, 420, 423, 444, 470, 518, 555, 564, 630, 658, 666, 705, 740, 777, 846, 940, 987, 1036, 1110, 1260, 1295, 1316, 1332, 1410, 1554, 1645, 1665, 1692, 1739, 1974, 2115, 2220, 2331, 2590, 2820, 2961, 3108, 3290, 3330, 3478, 3885, 3948, 4230, 4662, 4935, 5180, 5217, 5922, 6580, 6660, 6956, 7770, 8460, 8695, 9324, 9870, 10434, 11655, 11844, 12173, 14805, 15540, 15651, 17390, 19740, 20868, 23310, 24346, 26085, 29610, 31302, 34780, 36519, 46620, 48692, 52170, 59220, 60865, 62604, 73038, 78255, 104340, 109557, 121730, 146076, 156510, 182595, 219114, 243460, 313020, 365190, 438228, 547785, 730380, 1095570, 2191140]

約数ペア:

[(1, 2191140), (2, 1095570), (3, 730380), (4, 547785), (5, 438228), (6, 365190), (7, 313020), (9, 243460), (10, 219114), (12, 182595), (14, 156510), (15, 146076), (18, 121730), (20, 109557), (21, 104340), (28, 78255), (30, 73038), (35, 62604), (36, 60865), (37, 59220), (42, 52170), (45, 48692), (47, 46620), (60, 36519), (63, 34780), (70, 31302), (74, 29610), (84, 26085), (90, 24346), (94, 23310), (105, 20868), (111, 19740), (126, 17390), (140, 15651), (141, 15540), (148, 14805), (180, 12173), (185, 11844), (188, 11655), (210, 10434), (222, 9870), (235, 9324), (252, 8695), (259, 8460), (282, 7770), (315, 6956), (329, 6660), (333, 6580), (370, 5922), (420, 5217), (423, 5180), (444, 4935), (470, 4662), (518, 4230), (555, 3948), (564, 3885), (630, 3478), (658, 3330), (666, 3290), (705, 3108), (740, 2961), (777, 2820), (846, 2590), (940, 2331), (987, 2220), (1036, 2115), (1110, 1974), (1260, 1739), (1295, 1692), (1316, 1665), (1332, 1645), (1410, 1554)]