1991650680

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{32353}}^1$

素因数の和:32395

約数の個数: 160

約数和(自身を含む): 7046701200

約数和(自身を除く): 5055050520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 81, 90, 95, 108, 114, 120, 135, 152, 162, 171, 180, 190, 216, 228, 270, 285, 324, 342, 360, 380, 405, 456, 513, 540, 570, 648, 684, 760, 810, 855, 1026, 1080, 1140, 1368, 1539, 1620, 1710, 2052, 2280, 2565, 3078, 3240, 3420, 4104, 5130, 6156, 6840, 7695, 10260, 12312, 15390, 20520, 30780, 32353, 61560, 64706, 97059, 129412, 161765, 194118, 258824, 291177, 323530, 388236, 485295, 582354, 614707, 647060, 776472, 873531, 970590, 1164708, 1229414, 1294120, 1455885, 1747062, 1844121, 1941180, 2329416, 2458828, 2620593, 2911770, 3073535, 3494124, 3688242, 3882360, 4367655, 4917656, 5241186, 5532363, 5823540, 6147070, 6988248, 7376484, 8735310, 9220605, 10482372, 11064726, 11647080, 12294140, 13102965, 14752968, 16597089, 17470620, 18441210, 20964744, 22129452, 24588280, 26205930, 27661815, 33194178, 34941240, 36882420, 44258904, 49791267, 52411860, 55323630, 66388356, 73764840, 82985445, 99582534, 104823720, 110647260, 132776712, 165970890, 199165068, 221294520, 248956335, 331941780, 398330136, 497912670, 663883560, 995825340, 1991650680]

約数ペア:

[(1, 1991650680), (2, 995825340), (3, 663883560), (4, 497912670), (5, 398330136), (6, 331941780), (8, 248956335), (9, 221294520), (10, 199165068), (12, 165970890), (15, 132776712), (18, 110647260), (19, 104823720), (20, 99582534), (24, 82985445), (27, 73764840), (30, 66388356), (36, 55323630), (38, 52411860), (40, 49791267), (45, 44258904), (54, 36882420), (57, 34941240), (60, 33194178), (72, 27661815), (76, 26205930), (81, 24588280), (90, 22129452), (95, 20964744), (108, 18441210), (114, 17470620), (120, 16597089), (135, 14752968), (152, 13102965), (162, 12294140), (171, 11647080), (180, 11064726), (190, 10482372), (216, 9220605), (228, 8735310), (270, 7376484), (285, 6988248), (324, 6147070), (342, 5823540), (360, 5532363), (380, 5241186), (405, 4917656), (456, 4367655), (513, 3882360), (540, 3688242), (570, 3494124), (648, 3073535), (684, 2911770), (760, 2620593), (810, 2458828), (855, 2329416), (1026, 1941180), (1080, 1844121), (1140, 1747062), (1368, 1455885), (1539, 1294120), (1620, 1229414), (1710, 1164708), (2052, 970590), (2280, 873531), (2565, 776472), (3078, 647060), (3240, 614707), (3420, 582354), (4104, 485295), (5130, 388236), (6156, 323530), (6840, 291177), (7695, 258824), (10260, 194118), (12312, 161765), (15390, 129412), (20520, 97059), (30780, 64706), (32353, 61560)]