15900780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{131}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 54464256

約数和(自身を除く): 38563476

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 131, 140, 170, 204, 210, 238, 255, 262, 289, 340, 357, 393, 420, 476, 510, 524, 578, 595, 655, 714, 786, 867, 917, 1020, 1156, 1190, 1310, 1428, 1445, 1572, 1734, 1785, 1834, 1965, 2023, 2227, 2380, 2620, 2751, 2890, 3468, 3570, 3668, 3930, 4046, 4335, 4454, 4585, 5502, 5780, 6069, 6681, 7140, 7860, 8092, 8670, 8908, 9170, 10115, 11004, 11135, 12138, 13362, 13755, 15589, 17340, 18340, 20230, 22270, 24276, 26724, 27510, 30345, 31178, 33405, 37859, 40460, 44540, 46767, 55020, 60690, 62356, 66810, 75718, 77945, 93534, 113577, 121380, 133620, 151436, 155890, 187068, 189295, 227154, 233835, 265013, 311780, 378590, 454308, 467670, 530026, 567885, 757180, 795039, 935340, 1060052, 1135770, 1325065, 1590078, 2271540, 2650130, 3180156, 3975195, 5300260, 7950390, 15900780]

約数ペア:

[(1, 15900780), (2, 7950390), (3, 5300260), (4, 3975195), (5, 3180156), (6, 2650130), (7, 2271540), (10, 1590078), (12, 1325065), (14, 1135770), (15, 1060052), (17, 935340), (20, 795039), (21, 757180), (28, 567885), (30, 530026), (34, 467670), (35, 454308), (42, 378590), (51, 311780), (60, 265013), (68, 233835), (70, 227154), (84, 189295), (85, 187068), (102, 155890), (105, 151436), (119, 133620), (131, 121380), (140, 113577), (170, 93534), (204, 77945), (210, 75718), (238, 66810), (255, 62356), (262, 60690), (289, 55020), (340, 46767), (357, 44540), (393, 40460), (420, 37859), (476, 33405), (510, 31178), (524, 30345), (578, 27510), (595, 26724), (655, 24276), (714, 22270), (786, 20230), (867, 18340), (917, 17340), (1020, 15589), (1156, 13755), (1190, 13362), (1310, 12138), (1428, 11135), (1445, 11004), (1572, 10115), (1734, 9170), (1785, 8908), (1834, 8670), (1965, 8092), (2023, 7860), (2227, 7140), (2380, 6681), (2620, 6069), (2751, 5780), (2890, 5502), (3468, 4585), (3570, 4454), (3668, 4335), (3930, 4046)]