2540382080

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{12289}}^1$

素因数の和:12344

約数の個数: 128

約数和(自身を含む): 6769332000

約数和(自身を除く): 4228949920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 128, 136, 152, 160, 170, 190, 272, 304, 320, 323, 340, 380, 544, 608, 640, 646, 680, 760, 1088, 1216, 1292, 1360, 1520, 1615, 2176, 2432, 2584, 2720, 3040, 3230, 5168, 5440, 6080, 6460, 10336, 10880, 12160, 12289, 12920, 20672, 24578, 25840, 41344, 49156, 51680, 61445, 98312, 103360, 122890, 196624, 206720, 208913, 233491, 245780, 393248, 417826, 466982, 491560, 786496, 835652, 933964, 983120, 1044565, 1167455, 1572992, 1671304, 1867928, 1966240, 2089130, 2334910, 3342608, 3735856, 3932480, 3969347, 4178260, 4669820, 6685216, 7471712, 7864960, 7938694, 8356520, 9339640, 13370432, 14943424, 15877388, 16713040, 18679280, 19846735, 26740864, 29886848, 31754776, 33426080, 37358560, 39693470, 63509552, 66852160, 74717120, 79386940, 127019104, 133704320, 149434240, 158773880, 254038208, 317547760, 508076416, 635095520, 1270191040, 2540382080]

約数ペア:

[(1, 2540382080), (2, 1270191040), (4, 635095520), (5, 508076416), (8, 317547760), (10, 254038208), (16, 158773880), (17, 149434240), (19, 133704320), (20, 127019104), (32, 79386940), (34, 74717120), (38, 66852160), (40, 63509552), (64, 39693470), (68, 37358560), (76, 33426080), (80, 31754776), (85, 29886848), (95, 26740864), (128, 19846735), (136, 18679280), (152, 16713040), (160, 15877388), (170, 14943424), (190, 13370432), (272, 9339640), (304, 8356520), (320, 7938694), (323, 7864960), (340, 7471712), (380, 6685216), (544, 4669820), (608, 4178260), (640, 3969347), (646, 3932480), (680, 3735856), (760, 3342608), (1088, 2334910), (1216, 2089130), (1292, 1966240), (1360, 1867928), (1520, 1671304), (1615, 1572992), (2176, 1167455), (2432, 1044565), (2584, 983120), (2720, 933964), (3040, 835652), (3230, 786496), (5168, 491560), (5440, 466982), (6080, 417826), (6460, 393248), (10336, 245780), (10880, 233491), (12160, 208913), (12289, 206720), (12920, 196624), (20672, 122890), (24578, 103360), (25840, 98312), (41344, 61445), (49156, 51680)]