4459980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:104

約数の個数: 144

約数和(自身を含む): 15283296

約数和(自身を除く): 10823316

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 41, 42, 49, 60, 70, 74, 82, 84, 98, 105, 111, 123, 140, 147, 148, 164, 185, 196, 205, 210, 222, 245, 246, 259, 287, 294, 370, 410, 420, 444, 490, 492, 518, 555, 574, 588, 615, 735, 740, 777, 820, 861, 980, 1036, 1110, 1148, 1230, 1295, 1435, 1470, 1517, 1554, 1722, 1813, 2009, 2220, 2460, 2590, 2870, 2940, 3034, 3108, 3444, 3626, 3885, 4018, 4305, 4551, 5180, 5439, 5740, 6027, 6068, 7252, 7585, 7770, 8036, 8610, 9065, 9102, 10045, 10619, 10878, 12054, 15170, 15540, 17220, 18130, 18204, 20090, 21238, 21756, 22755, 24108, 27195, 30135, 30340, 31857, 36260, 40180, 42476, 45510, 53095, 54390, 60270, 63714, 74333, 91020, 106190, 108780, 120540, 127428, 148666, 159285, 212380, 222999, 297332, 318570, 371665, 445998, 637140, 743330, 891996, 1114995, 1486660, 2229990, 4459980]

約数ペア:

[(1, 4459980), (2, 2229990), (3, 1486660), (4, 1114995), (5, 891996), (6, 743330), (7, 637140), (10, 445998), (12, 371665), (14, 318570), (15, 297332), (20, 222999), (21, 212380), (28, 159285), (30, 148666), (35, 127428), (37, 120540), (41, 108780), (42, 106190), (49, 91020), (60, 74333), (70, 63714), (74, 60270), (82, 54390), (84, 53095), (98, 45510), (105, 42476), (111, 40180), (123, 36260), (140, 31857), (147, 30340), (148, 30135), (164, 27195), (185, 24108), (196, 22755), (205, 21756), (210, 21238), (222, 20090), (245, 18204), (246, 18130), (259, 17220), (287, 15540), (294, 15170), (370, 12054), (410, 10878), (420, 10619), (444, 10045), (490, 9102), (492, 9065), (518, 8610), (555, 8036), (574, 7770), (588, 7585), (615, 7252), (735, 6068), (740, 6027), (777, 5740), (820, 5439), (861, 5180), (980, 4551), (1036, 4305), (1110, 4018), (1148, 3885), (1230, 3626), (1295, 3444), (1435, 3108), (1470, 3034), (1517, 2940), (1554, 2870), (1722, 2590), (1813, 2460), (2009, 2220)]