197780040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1901}}^1$

素因数の和:1952

約数の個数: 144

約数和(自身を含む): 683179380

約数和(自身を除く): 485399340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 289, 306, 340, 360, 408, 510, 578, 612, 680, 765, 867, 1020, 1156, 1224, 1445, 1530, 1734, 1901, 2040, 2312, 2601, 2890, 3060, 3468, 3802, 4335, 5202, 5703, 5780, 6120, 6936, 7604, 8670, 9505, 10404, 11406, 11560, 13005, 15208, 17109, 17340, 19010, 20808, 22812, 26010, 28515, 32317, 34218, 34680, 38020, 45624, 52020, 57030, 64634, 68436, 76040, 85545, 96951, 104040, 114060, 129268, 136872, 161585, 171090, 193902, 228120, 258536, 290853, 323170, 342180, 387804, 484755, 549389, 581706, 646340, 684360, 775608, 969510, 1098778, 1163412, 1292680, 1454265, 1648167, 1939020, 2197556, 2326824, 2746945, 2908530, 3296334, 3878040, 4395112, 4944501, 5493890, 5817060, 6592668, 8240835, 9889002, 10987780, 11634120, 13185336, 16481670, 19778004, 21975560, 24722505, 32963340, 39556008, 49445010, 65926680, 98890020, 197780040]

約数ペア:

[(1, 197780040), (2, 98890020), (3, 65926680), (4, 49445010), (5, 39556008), (6, 32963340), (8, 24722505), (9, 21975560), (10, 19778004), (12, 16481670), (15, 13185336), (17, 11634120), (18, 10987780), (20, 9889002), (24, 8240835), (30, 6592668), (34, 5817060), (36, 5493890), (40, 4944501), (45, 4395112), (51, 3878040), (60, 3296334), (68, 2908530), (72, 2746945), (85, 2326824), (90, 2197556), (102, 1939020), (120, 1648167), (136, 1454265), (153, 1292680), (170, 1163412), (180, 1098778), (204, 969510), (255, 775608), (289, 684360), (306, 646340), (340, 581706), (360, 549389), (408, 484755), (510, 387804), (578, 342180), (612, 323170), (680, 290853), (765, 258536), (867, 228120), (1020, 193902), (1156, 171090), (1224, 161585), (1445, 136872), (1530, 129268), (1734, 114060), (1901, 104040), (2040, 96951), (2312, 85545), (2601, 76040), (2890, 68436), (3060, 64634), (3468, 57030), (3802, 52020), (4335, 45624), (5202, 38020), (5703, 34680), (5780, 34218), (6120, 32317), (6936, 28515), (7604, 26010), (8670, 22812), (9505, 20808), (10404, 19010), (11406, 17340), (11560, 17109), (13005, 15208)]