281590380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4001}}^1$

素因数の和:4056

約数の個数: 144

約数和(自身を含む): 943959744

約数和(自身を除く): 662369364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 30, 34, 36, 45, 46, 51, 60, 68, 69, 85, 90, 92, 102, 115, 138, 153, 170, 180, 204, 207, 230, 255, 276, 306, 340, 345, 391, 414, 460, 510, 612, 690, 765, 782, 828, 1020, 1035, 1173, 1380, 1530, 1564, 1955, 2070, 2346, 3060, 3519, 3910, 4001, 4140, 4692, 5865, 7038, 7820, 8002, 11730, 12003, 14076, 16004, 17595, 20005, 23460, 24006, 35190, 36009, 40010, 48012, 60015, 68017, 70380, 72018, 80020, 92023, 120030, 136034, 144036, 180045, 184046, 204051, 240060, 272068, 276069, 340085, 360090, 368092, 408102, 460115, 552138, 612153, 680170, 720180, 816204, 828207, 920230, 1020255, 1104276, 1224306, 1360340, 1380345, 1564391, 1656414, 1840460, 2040510, 2448612, 2760690, 3060765, 3128782, 3312828, 4081020, 4141035, 4693173, 5521380, 6121530, 6257564, 7821955, 8282070, 9386346, 12243060, 14079519, 15643910, 16564140, 18772692, 23465865, 28159038, 31287820, 46931730, 56318076, 70397595, 93863460, 140795190, 281590380]

約数ペア:

[(1, 281590380), (2, 140795190), (3, 93863460), (4, 70397595), (5, 56318076), (6, 46931730), (9, 31287820), (10, 28159038), (12, 23465865), (15, 18772692), (17, 16564140), (18, 15643910), (20, 14079519), (23, 12243060), (30, 9386346), (34, 8282070), (36, 7821955), (45, 6257564), (46, 6121530), (51, 5521380), (60, 4693173), (68, 4141035), (69, 4081020), (85, 3312828), (90, 3128782), (92, 3060765), (102, 2760690), (115, 2448612), (138, 2040510), (153, 1840460), (170, 1656414), (180, 1564391), (204, 1380345), (207, 1360340), (230, 1224306), (255, 1104276), (276, 1020255), (306, 920230), (340, 828207), (345, 816204), (391, 720180), (414, 680170), (460, 612153), (510, 552138), (612, 460115), (690, 408102), (765, 368092), (782, 360090), (828, 340085), (1020, 276069), (1035, 272068), (1173, 240060), (1380, 204051), (1530, 184046), (1564, 180045), (1955, 144036), (2070, 136034), (2346, 120030), (3060, 92023), (3519, 80020), (3910, 72018), (4001, 70380), (4140, 68017), (4692, 60015), (5865, 48012), (7038, 40010), (7820, 36009), (8002, 35190), (11730, 24006), (12003, 23460), (14076, 20005), (16004, 17595)]