65281020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:300

約数の個数: 192

約数和(自身を含む): 227598336

約数和(自身を除く): 162317316

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 41, 42, 51, 60, 68, 70, 82, 84, 85, 102, 105, 119, 123, 140, 164, 170, 204, 205, 210, 223, 238, 246, 255, 287, 340, 357, 410, 420, 446, 476, 492, 510, 574, 595, 615, 669, 697, 714, 820, 861, 892, 1020, 1115, 1148, 1190, 1230, 1338, 1394, 1428, 1435, 1561, 1722, 1785, 2091, 2230, 2380, 2460, 2676, 2788, 2870, 3122, 3345, 3444, 3485, 3570, 3791, 4182, 4305, 4460, 4683, 4879, 5740, 6244, 6690, 6970, 7140, 7582, 7805, 8364, 8610, 9143, 9366, 9758, 10455, 11373, 13380, 13940, 14637, 15164, 15610, 17220, 18286, 18732, 18955, 19516, 20910, 22746, 23415, 24395, 26537, 27429, 29274, 31220, 36572, 37910, 41820, 45492, 45715, 46830, 48790, 53074, 54858, 56865, 58548, 64001, 73185, 75820, 79611, 91430, 93660, 97580, 106148, 109716, 113730, 128002, 132685, 137145, 146370, 155431, 159222, 182860, 192003, 227460, 256004, 265370, 274290, 292740, 310862, 318444, 320005, 384006, 398055, 466293, 530740, 548580, 621724, 640010, 768012, 777155, 796110, 932586, 960015, 1088017, 1280020, 1554310, 1592220, 1865172, 1920030, 2176034, 2331465, 3108620, 3264051, 3840060, 4352068, 4662930, 5440085, 6528102, 9325860, 10880170, 13056204, 16320255, 21760340, 32640510, 65281020]

約数ペア:

[(1, 65281020), (2, 32640510), (3, 21760340), (4, 16320255), (5, 13056204), (6, 10880170), (7, 9325860), (10, 6528102), (12, 5440085), (14, 4662930), (15, 4352068), (17, 3840060), (20, 3264051), (21, 3108620), (28, 2331465), (30, 2176034), (34, 1920030), (35, 1865172), (41, 1592220), (42, 1554310), (51, 1280020), (60, 1088017), (68, 960015), (70, 932586), (82, 796110), (84, 777155), (85, 768012), (102, 640010), (105, 621724), (119, 548580), (123, 530740), (140, 466293), (164, 398055), (170, 384006), (204, 320005), (205, 318444), (210, 310862), (223, 292740), (238, 274290), (246, 265370), (255, 256004), (287, 227460), (340, 192003), (357, 182860), (410, 159222), (420, 155431), (446, 146370), (476, 137145), (492, 132685), (510, 128002), (574, 113730), (595, 109716), (615, 106148), (669, 97580), (697, 93660), (714, 91430), (820, 79611), (861, 75820), (892, 73185), (1020, 64001), (1115, 58548), (1148, 56865), (1190, 54858), (1230, 53074), (1338, 48790), (1394, 46830), (1428, 45715), (1435, 45492), (1561, 41820), (1722, 37910), (1785, 36572), (2091, 31220), (2230, 29274), (2380, 27429), (2460, 26537), (2676, 24395), (2788, 23415), (2870, 22746), (3122, 20910), (3345, 19516), (3444, 18955), (3485, 18732), (3570, 18286), (3791, 17220), (4182, 15610), (4305, 15164), (4460, 14637), (4683, 13940), (4879, 13380), (5740, 11373), (6244, 10455), (6690, 9758), (6970, 9366), (7140, 9143), (7582, 8610), (7805, 8364)]