728371410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:349

約数の個数: 128

約数和(自身を含む): 1945278720

約数和(自身を除く): 1216907310

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 169, 195, 215, 257, 258, 338, 390, 430, 507, 514, 559, 645, 771, 845, 1014, 1118, 1285, 1290, 1542, 1677, 1690, 2197, 2535, 2570, 2795, 3341, 3354, 3855, 4394, 5070, 5590, 6591, 6682, 7267, 7710, 8385, 10023, 10985, 11051, 13182, 14534, 16705, 16770, 20046, 21801, 21970, 22102, 32955, 33153, 33410, 36335, 43433, 43602, 50115, 55255, 65910, 66306, 72670, 86866, 94471, 100230, 109005, 110510, 130299, 143663, 165765, 188942, 217165, 218010, 260598, 283413, 287326, 331530, 430989, 434330, 472355, 564629, 566826, 651495, 718315, 861978, 944710, 1129258, 1302990, 1417065, 1436630, 1693887, 1867619, 2154945, 2823145, 2834130, 3387774, 3735238, 4309890, 5602857, 5646290, 8469435, 9338095, 11205714, 16938870, 18676190, 24279047, 28014285, 48558094, 56028570, 72837141, 121395235, 145674282, 242790470, 364185705, 728371410]

約数ペア:

[(1, 728371410), (2, 364185705), (3, 242790470), (5, 145674282), (6, 121395235), (10, 72837141), (13, 56028570), (15, 48558094), (26, 28014285), (30, 24279047), (39, 18676190), (43, 16938870), (65, 11205714), (78, 9338095), (86, 8469435), (129, 5646290), (130, 5602857), (169, 4309890), (195, 3735238), (215, 3387774), (257, 2834130), (258, 2823145), (338, 2154945), (390, 1867619), (430, 1693887), (507, 1436630), (514, 1417065), (559, 1302990), (645, 1129258), (771, 944710), (845, 861978), (1014, 718315), (1118, 651495), (1285, 566826), (1290, 564629), (1542, 472355), (1677, 434330), (1690, 430989), (2197, 331530), (2535, 287326), (2570, 283413), (2795, 260598), (3341, 218010), (3354, 217165), (3855, 188942), (4394, 165765), (5070, 143663), (5590, 130299), (6591, 110510), (6682, 109005), (7267, 100230), (7710, 94471), (8385, 86866), (10023, 72670), (10985, 66306), (11051, 65910), (13182, 55255), (14534, 50115), (16705, 43602), (16770, 43433), (20046, 36335), (21801, 33410), (21970, 33153), (22102, 32955)]