644780760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{593}}^1$

素因数の和:678

約数の個数: 256

約数和(自身を含む): 2263282560

約数和(自身を除く): 1618501800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 41, 51, 52, 60, 65, 68, 78, 82, 85, 102, 104, 120, 123, 130, 136, 156, 164, 170, 195, 204, 205, 221, 246, 255, 260, 312, 328, 340, 390, 408, 410, 442, 492, 510, 520, 533, 593, 615, 663, 680, 697, 780, 820, 884, 984, 1020, 1066, 1105, 1186, 1230, 1326, 1394, 1560, 1599, 1640, 1768, 1779, 2040, 2091, 2132, 2210, 2372, 2460, 2652, 2665, 2788, 2965, 3198, 3315, 3485, 3558, 4182, 4264, 4420, 4744, 4920, 5304, 5330, 5576, 5930, 6396, 6630, 6970, 7116, 7709, 7995, 8364, 8840, 8895, 9061, 10081, 10455, 10660, 11860, 12792, 13260, 13940, 14232, 15418, 15990, 16728, 17790, 18122, 20162, 20910, 21320, 23127, 23720, 24313, 26520, 27183, 27880, 30243, 30836, 31980, 35580, 36244, 38545, 40324, 41820, 45305, 46254, 48626, 50405, 54366, 60486, 61672, 63960, 71160, 72488, 72939, 77090, 80648, 83640, 90610, 92508, 97252, 100810, 108732, 115635, 120972, 121565, 131053, 135915, 145878, 151215, 154180, 181220, 185016, 194504, 201620, 217464, 231270, 241944, 243130, 262106, 271830, 291756, 302430, 308360, 316069, 362440, 364695, 393159, 403240, 413321, 462540, 486260, 524212, 543660, 583512, 604860, 632138, 655265, 729390, 786318, 826642, 925080, 948207, 972520, 1048424, 1087320, 1209720, 1239963, 1264276, 1310530, 1458780, 1572636, 1580345, 1653284, 1896414, 1965795, 2066605, 2479926, 2528552, 2621060, 2917560, 3145272, 3160690, 3306568, 3792828, 3931590, 4133210, 4741035, 4959852, 5242120, 5373173, 6199815, 6321380, 7585656, 7863180, 8266420, 9482070, 9919704, 10746346, 12399630, 12642760, 15726360, 16119519, 16532840, 18964140, 21492692, 24799260, 26865865, 32239038, 37928280, 42985384, 49598520, 53731730, 64478076, 80597595, 107463460, 128956152, 161195190, 214926920, 322390380, 644780760]

約数ペア:

[(1, 644780760), (2, 322390380), (3, 214926920), (4, 161195190), (5, 128956152), (6, 107463460), (8, 80597595), (10, 64478076), (12, 53731730), (13, 49598520), (15, 42985384), (17, 37928280), (20, 32239038), (24, 26865865), (26, 24799260), (30, 21492692), (34, 18964140), (39, 16532840), (40, 16119519), (41, 15726360), (51, 12642760), (52, 12399630), (60, 10746346), (65, 9919704), (68, 9482070), (78, 8266420), (82, 7863180), (85, 7585656), (102, 6321380), (104, 6199815), (120, 5373173), (123, 5242120), (130, 4959852), (136, 4741035), (156, 4133210), (164, 3931590), (170, 3792828), (195, 3306568), (204, 3160690), (205, 3145272), (221, 2917560), (246, 2621060), (255, 2528552), (260, 2479926), (312, 2066605), (328, 1965795), (340, 1896414), (390, 1653284), (408, 1580345), (410, 1572636), (442, 1458780), (492, 1310530), (510, 1264276), (520, 1239963), (533, 1209720), (593, 1087320), (615, 1048424), (663, 972520), (680, 948207), (697, 925080), (780, 826642), (820, 786318), (884, 729390), (984, 655265), (1020, 632138), (1066, 604860), (1105, 583512), (1186, 543660), (1230, 524212), (1326, 486260), (1394, 462540), (1560, 413321), (1599, 403240), (1640, 393159), (1768, 364695), (1779, 362440), (2040, 316069), (2091, 308360), (2132, 302430), (2210, 291756), (2372, 271830), (2460, 262106), (2652, 243130), (2665, 241944), (2788, 231270), (2965, 217464), (3198, 201620), (3315, 194504), (3485, 185016), (3558, 181220), (4182, 154180), (4264, 151215), (4420, 145878), (4744, 135915), (4920, 131053), (5304, 121565), (5330, 120972), (5576, 115635), (5930, 108732), (6396, 100810), (6630, 97252), (6970, 92508), (7116, 90610), (7709, 83640), (7995, 80648), (8364, 77090), (8840, 72939), (8895, 72488), (9061, 71160), (10081, 63960), (10455, 61672), (10660, 60486), (11860, 54366), (12792, 50405), (13260, 48626), (13940, 46254), (14232, 45305), (15418, 41820), (15990, 40324), (16728, 38545), (17790, 36244), (18122, 35580), (20162, 31980), (20910, 30836), (21320, 30243), (23127, 27880), (23720, 27183), (24313, 26520)]