1281642820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{241}}^1$

素因数の和:505

約数の個数: 96

約数和(自身を含む): 2865028320

約数和(自身を除く): 1583385500

約数列:

[1, 2, 4, 5, 10, 20, 29, 53, 58, 106, 116, 145, 173, 212, 241, 265, 290, 346, 482, 530, 580, 692, 865, 964, 1060, 1205, 1537, 1730, 2410, 3074, 3460, 4820, 5017, 6148, 6989, 7685, 9169, 10034, 12773, 13978, 15370, 18338, 20068, 25085, 25546, 27956, 30740, 34945, 36676, 41693, 45845, 50170, 51092, 63865, 69890, 83386, 91690, 100340, 127730, 139780, 166772, 183380, 208465, 255460, 265901, 370417, 416930, 531802, 740834, 833860, 1063604, 1209097, 1329505, 1481668, 1852085, 2209729, 2418194, 2659010, 3704170, 4419458, 4836388, 5318020, 6045485, 7408340, 8838916, 11048645, 12090970, 22097290, 24181940, 44194580, 64082141, 128164282, 256328564, 320410705, 640821410, 1281642820]

約数ペア:

[(1, 1281642820), (2, 640821410), (4, 320410705), (5, 256328564), (10, 128164282), (20, 64082141), (29, 44194580), (53, 24181940), (58, 22097290), (106, 12090970), (116, 11048645), (145, 8838916), (173, 7408340), (212, 6045485), (241, 5318020), (265, 4836388), (290, 4419458), (346, 3704170), (482, 2659010), (530, 2418194), (580, 2209729), (692, 1852085), (865, 1481668), (964, 1329505), (1060, 1209097), (1205, 1063604), (1537, 833860), (1730, 740834), (2410, 531802), (3074, 416930), (3460, 370417), (4820, 265901), (5017, 255460), (6148, 208465), (6989, 183380), (7685, 166772), (9169, 139780), (10034, 127730), (12773, 100340), (13978, 91690), (15370, 83386), (18338, 69890), (20068, 63865), (25085, 51092), (25546, 50170), (27956, 45845), (30740, 41693), (34945, 36676)]