640889552940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{417719}}^1$

素因数の和:418032

約数の個数: 192

約数和(自身を含む): 2216469104640

約数和(自身を除く): 1575579551700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 281, 364, 390, 420, 455, 546, 562, 780, 843, 910, 1092, 1124, 1365, 1405, 1686, 1820, 1967, 2730, 2810, 3372, 3653, 3934, 4215, 5460, 5620, 5901, 7306, 7868, 8430, 9835, 10959, 11802, 14612, 16860, 18265, 19670, 21918, 23604, 25571, 29505, 36530, 39340, 43836, 51142, 54795, 59010, 73060, 76713, 102284, 109590, 118020, 127855, 153426, 219180, 255710, 306852, 383565, 417719, 511420, 767130, 835438, 1253157, 1534260, 1670876, 2088595, 2506314, 2924033, 4177190, 5012628, 5430347, 5848066, 6265785, 8354380, 8772099, 10860694, 11696132, 12531570, 14620165, 16291041, 17544198, 21721388, 25063140, 27151735, 29240330, 32582082, 35088396, 38012429, 43860495, 54303470, 58480660, 65164164, 76024858, 81455205, 87720990, 108606940, 114037287, 117379039, 152049716, 162910410, 175441980, 190062145, 228074574, 234758078, 325820820, 352137117, 380124290, 456149148, 469516156, 570186435, 586895195, 704274234, 760248580, 821653273, 1140372870, 1173790390, 1408548468, 1525927507, 1643306546, 1760685585, 2280745740, 2347580780, 2464959819, 3051855014, 3286613092, 3521371170, 4108266365, 4577782521, 4929919638, 6103710028, 7042742340, 7629637535, 8216532730, 9155565042, 9859839276, 10681492549, 12324799095, 15259275070, 16433065460, 18311130084, 21362985098, 22888912605, 24649598190, 30518550140, 32044477647, 42725970196, 45777825210, 49299196380, 53407462745, 64088955294, 91555650420, 106814925490, 128177910588, 160222388235, 213629850980, 320444776470, 640889552940]

約数ペア:

[(1, 640889552940), (2, 320444776470), (3, 213629850980), (4, 160222388235), (5, 128177910588), (6, 106814925490), (7, 91555650420), (10, 64088955294), (12, 53407462745), (13, 49299196380), (14, 45777825210), (15, 42725970196), (20, 32044477647), (21, 30518550140), (26, 24649598190), (28, 22888912605), (30, 21362985098), (35, 18311130084), (39, 16433065460), (42, 15259275070), (52, 12324799095), (60, 10681492549), (65, 9859839276), (70, 9155565042), (78, 8216532730), (84, 7629637535), (91, 7042742340), (105, 6103710028), (130, 4929919638), (140, 4577782521), (156, 4108266365), (182, 3521371170), (195, 3286613092), (210, 3051855014), (260, 2464959819), (273, 2347580780), (281, 2280745740), (364, 1760685585), (390, 1643306546), (420, 1525927507), (455, 1408548468), (546, 1173790390), (562, 1140372870), (780, 821653273), (843, 760248580), (910, 704274234), (1092, 586895195), (1124, 570186435), (1365, 469516156), (1405, 456149148), (1686, 380124290), (1820, 352137117), (1967, 325820820), (2730, 234758078), (2810, 228074574), (3372, 190062145), (3653, 175441980), (3934, 162910410), (4215, 152049716), (5460, 117379039), (5620, 114037287), (5901, 108606940), (7306, 87720990), (7868, 81455205), (8430, 76024858), (9835, 65164164), (10959, 58480660), (11802, 54303470), (14612, 43860495), (16860, 38012429), (18265, 35088396), (19670, 32582082), (21918, 29240330), (23604, 27151735), (25571, 25063140), (29505, 21721388), (36530, 17544198), (39340, 16291041), (43836, 14620165), (51142, 12531570), (54795, 11696132), (59010, 10860694), (73060, 8772099), (76713, 8354380), (102284, 6265785), (109590, 5848066), (118020, 5430347), (127855, 5012628), (153426, 4177190), (219180, 2924033), (255710, 2506314), (306852, 2088595), (383565, 1670876), (417719, 1534260), (511420, 1253157), (767130, 835438)]