1647221940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{33521}}^1$

素因数の和:33559

約数の個数: 192

約数和(自身を含む): 6307499520

約数和(自身を除く): 4660277580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 315, 351, 364, 378, 390, 420, 455, 468, 540, 546, 585, 630, 702, 756, 780, 819, 910, 945, 1092, 1170, 1260, 1365, 1404, 1638, 1755, 1820, 1890, 2340, 2457, 2730, 3276, 3510, 3780, 4095, 4914, 5460, 7020, 8190, 9828, 12285, 16380, 24570, 33521, 49140, 67042, 100563, 134084, 167605, 201126, 234647, 301689, 335210, 402252, 435773, 469294, 502815, 603378, 670420, 703941, 871546, 905067, 938588, 1005630, 1173235, 1206756, 1307319, 1407882, 1508445, 1743092, 1810134, 2011260, 2111823, 2178865, 2346470, 2614638, 2815764, 3016890, 3050411, 3519705, 3620268, 3921957, 4223646, 4357730, 4525335, 4692940, 5229276, 6033780, 6100822, 6335469, 6536595, 7039410, 7843914, 8447292, 8715460, 9050670, 9151233, 10559115, 11765871, 12201644, 12670938, 13073190, 14078820, 15252055, 15687828, 18101340, 18302466, 19609785, 21118230, 23531742, 25341876, 26146380, 27453699, 30504110, 31677345, 36604932, 39219570, 42236460, 45756165, 47063484, 54907398, 58829355, 61008220, 63354690, 78439140, 82361097, 91512330, 109814796, 117658710, 126709380, 137268495, 164722194, 183024660, 235317420, 274536990, 329444388, 411805485, 549073980, 823610970, 1647221940]

約数ペア:

[(1, 1647221940), (2, 823610970), (3, 549073980), (4, 411805485), (5, 329444388), (6, 274536990), (7, 235317420), (9, 183024660), (10, 164722194), (12, 137268495), (13, 126709380), (14, 117658710), (15, 109814796), (18, 91512330), (20, 82361097), (21, 78439140), (26, 63354690), (27, 61008220), (28, 58829355), (30, 54907398), (35, 47063484), (36, 45756165), (39, 42236460), (42, 39219570), (45, 36604932), (52, 31677345), (54, 30504110), (60, 27453699), (63, 26146380), (65, 25341876), (70, 23531742), (78, 21118230), (84, 19609785), (90, 18302466), (91, 18101340), (105, 15687828), (108, 15252055), (117, 14078820), (126, 13073190), (130, 12670938), (135, 12201644), (140, 11765871), (156, 10559115), (180, 9151233), (182, 9050670), (189, 8715460), (195, 8447292), (210, 7843914), (234, 7039410), (252, 6536595), (260, 6335469), (270, 6100822), (273, 6033780), (315, 5229276), (351, 4692940), (364, 4525335), (378, 4357730), (390, 4223646), (420, 3921957), (455, 3620268), (468, 3519705), (540, 3050411), (546, 3016890), (585, 2815764), (630, 2614638), (702, 2346470), (756, 2178865), (780, 2111823), (819, 2011260), (910, 1810134), (945, 1743092), (1092, 1508445), (1170, 1407882), (1260, 1307319), (1365, 1206756), (1404, 1173235), (1638, 1005630), (1755, 938588), (1820, 905067), (1890, 871546), (2340, 703941), (2457, 670420), (2730, 603378), (3276, 502815), (3510, 469294), (3780, 435773), (4095, 402252), (4914, 335210), (5460, 301689), (7020, 234647), (8190, 201126), (9828, 167605), (12285, 134084), (16380, 100563), (24570, 67042), (33521, 49140)]